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ES2625895T3 - Método y dispositivo para la ocultación eficiente del borrado de tramas en códecs de voz basados en la predicción lineal - Google Patents

Método y dispositivo para la ocultación eficiente del borrado de tramas en códecs de voz basados en la predicción lineal Download PDF

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Publication number
ES2625895T3
ES2625895T3 ES03727094.9T ES03727094T ES2625895T3 ES 2625895 T3 ES2625895 T3 ES 2625895T3 ES 03727094 T ES03727094 T ES 03727094T ES 2625895 T3 ES2625895 T3 ES 2625895T3
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ES
Spain
Prior art keywords
frame
signal
sound
parameter
concealment
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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ES03727094.9T
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English (en)
Spanish (es)
Inventor
Milan Jelinek
Philippe Gournay
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VoiceAge Corp
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VoiceAge Corp
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Application filed by VoiceAge Corp filed Critical VoiceAge Corp
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ES03727094.9T 2002-05-31 2003-05-30 Método y dispositivo para la ocultación eficiente del borrado de tramas en códecs de voz basados en la predicción lineal Expired - Lifetime ES2625895T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002388439A CA2388439A1 (en) 2002-05-31 2002-05-31 A method and device for efficient frame erasure concealment in linear predictive based speech codecs
CA2388439 2002-05-31
PCT/CA2003/000830 WO2003102921A1 (en) 2002-05-31 2003-05-30 Method and device for efficient frame erasure concealment in linear predictive based speech codecs

Publications (1)

Publication Number Publication Date
ES2625895T3 true ES2625895T3 (es) 2017-07-20

Family

ID=29589088

Family Applications (1)

Application Number Title Priority Date Filing Date
ES03727094.9T Expired - Lifetime ES2625895T3 (es) 2002-05-31 2003-05-30 Método y dispositivo para la ocultación eficiente del borrado de tramas en códecs de voz basados en la predicción lineal

Country Status (18)

Country Link
US (1) US7693710B2 (zh)
EP (1) EP1509903B1 (zh)
JP (1) JP4658596B2 (zh)
KR (1) KR101032119B1 (zh)
CN (1) CN100338648C (zh)
AU (1) AU2003233724B2 (zh)
BR (3) BR0311523A (zh)
CA (2) CA2388439A1 (zh)
DK (1) DK1509903T3 (zh)
ES (1) ES2625895T3 (zh)
MX (1) MXPA04011751A (zh)
MY (1) MY141649A (zh)
NO (1) NO20045578L (zh)
NZ (1) NZ536238A (zh)
PT (1) PT1509903T (zh)
RU (1) RU2325707C2 (zh)
WO (1) WO2003102921A1 (zh)
ZA (1) ZA200409643B (zh)

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